STATE OF WISCONSIN INVESTMENT BOARD
Position in ACGL — Arch Capital Group Ltd.
CIK 854157
MADISON, WI
Position in ACGL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$20,686,324
+$13,550 QoQ
Shares Held
215,505
-0.0% QoQ
Ownership
0.062%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ACGL Over Time
Shares Held
Position Value (USD)
Position in Insurance - Diversified
Financial Services · as of Mar 31, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $435,739,972 across 6 Insurance - Diversified names. ACGL ranks #4 (4.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BRK-B |
Berkshire Hathaway Inc
|
743,054 | $356,071,476 | |
| 2 | AIG |
American International Group, Inc.
|
334,387 | $25,162,621 | |
| 3 | HIG |
Hartford Insurance Group, Inc.
|
158,717 | $21,463,299 | |
| 4 | ACGL |
Arch Capital Group Ltd.
This page
|
215,505 | $20,686,324 | |
| 5 | SLF |
Sun Life Financial Inc
|
174,700 | $10,929,232 | |
| 6 | PLGO |
Pelagos Insurance Capital Ltd
|
74,674 | $1,427,020 |
All Filings in ACGL
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $20,686,324 | 215,505 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $20,672,774 | 215,521 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $19,931,566 | 219,680 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $20,513,109 | 225,295 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $22,621,632 | 235,201 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $21,416,611 | 231,907 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $27,668,819 | 247,308 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $29,027,364 | 287,713 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $28,028,177 | 303,204 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $22,242,602 | 299,483 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $19,390,174 | 243,259 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $34,529,278 | 461,313 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $30,574,824 | 450,491 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $26,063,870 | 415,162 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $18,908,891 | 415,215 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $22,673,899 | 498,437 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $25,607,885 | 528,870 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $48,291,324 | 1,086,419 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $43,307,688 | 1,134,303 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $39,975,842 | 1,026,601 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $41,073,742 | 1,070,465 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $32,892,990 | 911,921 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $16,718,978 | 571,589 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $16,349,666 | 570,669 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $13,853,047 | 486,755 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||